Enhanced Strength and Ductility in an Ultrafine-Grained Fe-22Mn-0.6C Austenitic Steel Having Fully Recrystallized Structure

被引：0

作者：

Y. Z. Tian

Y. Bai

M. C. Chen

A. Shibata

D. Terada

N. Tsuji

机构：

[1] Kyoto University,Department of Materials Science and Engineering

[2] Kyoto University,Elements Strategy Initiative for Structural Materials (ESISM)

[3] Chiba Institute of Technology,Department of Mechanical Science

来源：

Metallurgical and Materials Transactions A | 2014年 / 45卷

关键词：

Cold Rolling; Uniform Elongation; TWIP Steel; Present TWIP Steel; Large Local Misorientation;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Fe-22 wt pct Mn-0.6 wt pct C twinning-induced plasticity (TWIP) steel having fully recrystallized ultrafine-grained structure was obtained through a simple thermomechanical process repeating cold rolling and annealing. The minimum average grain size of 550 nm was successfully obtained. The ultrafine-grained steel exhibited good mechanical properties superior to those previously reported in Fe-Mn-Al-Si TWIP steels, and the origin was discussed based on the difference of stacking fault energies.

引用

页码：5300 / 5304

页数：4

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